Bosch ConnectModule Aftermarket Kit BCM3100 - Fits BDU37YY, the smart system CompatibleBosch ConnectModule kit for the smart system generation. ConnectModule can track the position of your eBike via a GNSS signal (e. g. GPS). This position is sent via cellular network (LTE & NB IoT) and displayed in the eBike Flow app. After installation, eBike Alarm, the Flow+ premium service, can be activated and used via the eBike Flow app. Installation and all repairs to the Connect Module may be performed only by an authorized specialist dealer.